Home / 89,214.35-123,115.68-48,928.77

Finding the Fourth Proportional to 89,214.35, 123,115.68 and 48,928.77

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Solution

The fourth proportional to 89,214.35, 123,115.68 and 48,928.77 is: 67,521.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,214.35 : 123,115.68 = 48,928.77 : x
  2. Step 2: Convert to fraction form
    89,214.35/123,115.68 = 48,928.77/x
  3. Step 3: Cross multiply
    89,214.35x = 123,115.68 × 48,928.77
  4. Step 4: Simplify right side
    89,214.35x = 6,023,898,790.11
  5. Step 5: Solve for x
    x = 6,023,898,790.11/89,214.35
  6. Step 6: Final answer
    x = 67,521.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.